lowmemorykiller: Killing 'syz-executor613' (2048) (tgid 2048), adj 1000, to free 40kB on behalf of 'syz-executor613' (2053) because cache 34284kB is below limit 65536kB for oom_score_adj 12 Free memory is -13168kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.194+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor613/2053 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000a7088001>] get_cmdline+0xa3/0x2d0 mm/util.c:641 mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803 __alloc_pages include/linux/gfp.h:433 [inline] __alloc_pages_node include/linux/gfp.h:446 [inline] alloc_pages_node include/linux/gfp.h:460 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline] __pmd_alloc+0x4a/0x330 mm/memory.c:3742 pmd_alloc include/linux/mm.h:1625 [inline] alloc_new_pmd mm/mremap.c:64 [inline] move_page_tables+0xadb/0xd60 mm/mremap.c:212 shift_arg_pages+0x1ae/0x470 fs/exec.c:642 setup_arg_pages+0x60d/0x7c0 fs/exec.c:754 load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860 search_binary_handler fs/exec.c:1621 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1599 exec_binprm fs/exec.c:1663 [inline] do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785 do_execve+0x3a/0x50 fs/exec.c:1829 run_init_process+0x33/0x37 init/main.c:904 try_to_run_init_process+0x18/0x48 init/main.c:913 kernel_init+0xf2/0x163 init/main.c:984 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 irq event stamp: 542721 hardirqs last enabled at (542721): [<00000000da18266e>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (542720): [<000000005f64c8bc>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (542716): [<0000000007eb5b5f>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (542709): [<00000000903598d7>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (542709): [<00000000903598d7>] irq_exit+0x119/0x160 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor613/2053: #0: (shrinker_rwsem){++++..}, at: [<00000000e6b89345>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 2053 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff8801cf2bef70 ffffffff81b67001 00000000000000f0 ffff8801d1f40000 ffffffff83cb1050 ffff8801d1f408f8 ffffffff84252000 ffff8801cf2befe8 ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000728d2af0>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000728d2af0>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<0000000007743446>] valid_state kernel/locking/lockdep.c:2400 [inline] [<0000000007743446>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<0000000007743446>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000e6c48cd2>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000e6c48cd2>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<0000000085dea6c1>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000008570e40f>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000a7088001>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000cb8e821b>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<0000000013465e45>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<00000000c81c4e21>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000c81c4e21>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000c993f7b7>] shrink_slab mm/vmscan.c:466 [inline] [<00000000c993f7b7>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000bed7b518>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000bed7b518>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000bed7b518>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000008cac9ea4>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000008cac9ea4>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000008cac9ea4>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000008cac9ea4>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000e56421b7>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000e56421b7>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000e56421b7>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000e56421b7>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000e56421b7>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2048 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor613 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 0 PID: 2049 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff8801cf3576f0 ffffffff81b67001 ffff8801cf357a48 ffffffff833f1c30 0000000000000000 ffff8801cf357a60 0000000000000000 ffff8801cf357770 ffffffff81506e44 0000000000000000 0000000000000000 ffffffff8282ac45 Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000004210c92>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000ef775830>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000004195cfbb>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000004195cfbb>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000023fbccad>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000023fbccad>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000023fbccad>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000092d42851>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000092d42851>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000092d42851>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000092d42851>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<0000000092d42851>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000001e5016ca>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<0000000088039d81>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<00000000be5f7673>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000af5dacf8>] do_read_fault mm/memory.c:3202 [inline] [<00000000af5dacf8>] do_fault mm/memory.c:3338 [inline] [<00000000af5dacf8>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000af5dacf8>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000af5dacf8>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<00000000e1ad38cb>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1401 [<00000000ea17f291>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1464 [<000000006dd0c6cc>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:3236 inactive_anon:41 isolated_anon:0 active_file:19 inactive_file:10 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56636 mapped:19 shmem:48 pagetables:355 bounce:0 free:6015 free_pcp:69 free_cma:0 Node 0 active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18592kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:124kB local_pcp:124kB free_cma:0kB Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226524kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:152kB local_pcp:120kB free_cma:0kB DMA32: 1*4kB (M) 2*8kB (UM) 4*16kB (UM) 3*32kB (U) 0*64kB 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18612kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5378 181 15 3 0 -1000 udevd [ 586] 0 586 5377 178 14 3 0 -1000 udevd [ 587] 0 587 5377 178 14 3 0 -1000 udevd [ 1762] 0 1762 2492 573 10 4 0 0 dhclient [ 1893] 0 1893 14264 110 23 3 0 0 rsyslogd [ 1932] 0 1932 4724 52 15 3 0 0 cron [ 1962] 0 1962 3734 44 10 3 0 0 mcstransd [ 1968] 0 1968 12926 1227 27 3 0 0 restorecond [ 1994] 0 1994 12489 153 29 3 0 -1000 sshd [ 2024] 0 2024 3648 39 13 3 0 0 getty [ 2037] 0 2037 3648 43 12 3 0 0 getty [ 2038] 0 2038 3648 42 13 3 0 0 getty [ 2039] 0 2039 3648 43 13 3 0 0 getty [ 2040] 0 2040 3648 42 13 3 0 0 getty [ 2041] 0 2041 3648 43 13 3 0 0 getty [ 2042] 0 2042 3648 42 13 3 0 0 getty [ 2043] 0 2043 17820 196 39 3 0 0 sshd [ 2045] 0 2045 4380 1 4 2 0 0 syz-executor613 [ 2046] 0 2046 4380 10 4 2 0 0 syz-executor613 [ 2047] 0 2047 4380 10 4 2 0 0 syz-executor613 [ 2048] 0 2048 4380 0 5 2 0 1000 syz-executor613 [ 2049] 0 2049 4380 10 4 2 0 0 syz-executor613 [ 2050] 0 2050 4380 10 4 2 0 0 syz-executor613 [ 2051] 0 2051 4380 10 4 2 0 0 syz-executor613 [ 2052] 0 2052 4380 10 4 2 0 0 syz-executor613 [ 2053] 0 2053 4380 10 5 2 0 1000 syz-executor613 [ 2054] 0 2054 4380 10 5 2 0 1000 syz-executor613 [ 2055] 0 2055 4380 10 5 2 0 1000 syz-executor613 [ 2056] 0 2056 4380 10 5 2 0 1000 syz-executor613 [ 2057] 0 2057 4380 10 5 2 0 1000 syz-executor613 Out of memory: Kill process 2053 (syz-executor613) score 999 or sacrifice child Killed process 2053 (syz-executor613) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor613: vmalloc: allocation failure, allocated 1148534784 of 4259258368 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2048 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff8801cf367910 ffffffff81b67001 1ffff10039e6cf24 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cf367a38 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000043cb092c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3236 inactive_anon:41 isolated_anon:0 active_file:19 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56638 mapped:20 shmem:48 pagetables:355 bounce:0 free:667 free_pcp:0 free_cma:0 Node 0 active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:2680kB min:5580kB low:9168kB high:12756kB active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226524kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved oom_reaper: reaped process 2053 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor613: vmalloc: allocation failure, allocated 1099276288 of 4259258368 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2053 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff8801cf2bf910 ffffffff81b67001 1ffff10039e57f24 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cf2bfa38 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000043cb092c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3236 inactive_anon:41 isolated_anon:0 active_file:19 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4270 slab_unreclaimable:56638 mapped:20 shmem:48 pagetables:355 bounce:0 free:667 free_pcp:8 free_cma:0 Node 0 active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:2680kB min:5580kB low:9168kB high:12756kB active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226524kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor613' (2054) (tgid 2054), adj 1000, to free 40kB on behalf of 'kswapd0' (33) because cache 2680kB is below limit 6144kB for oom_score_adj 0 Free memory is -7076kB above reserved syz-executor613: vmalloc: allocation failure, allocated 1694547968 of 4259258368 bytes[ 26.468056] oom_reaper: reaped process 2054 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor613 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2060 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff88019a2f7638 ffffffff81b67001 ffff88019a2f7990 ffffffff833f1c30 00000000000003e8 ffff88019a2f79a8 0000000000000000 ffff88019a2f76b8 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000004210c92>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000ef775830>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000004195cfbb>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000004195cfbb>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000023fbccad>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000023fbccad>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000023fbccad>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000e56421b7>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000e56421b7>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000e56421b7>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000e56421b7>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000e56421b7>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3245 inactive_anon:41 isolated_anon:0 active_file:24 inactive_file:26 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4278 slab_unreclaimable:56113 mapped:28 shmem:48 pagetables:355 bounce:0 free:736 free_pcp:8 free_cma:0 Node 0 active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:12kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:76kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0 3505 3505Normal free:2932kB min:5580kB low:9168kB high:12756kB active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17112kB slab_unreclaimable:224376kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5378 181 15 3 0 -1000 udevd [ 586] 0 586 5377 178 14 3 0 -1000 udevd [ 587] 0 587 5377 178 14 3 0 -1000 udevd [ 1762] 0 1762 2492 573 10 4 0 0 dhclient [ 1893] 0 1893 14264 159 23 3 0 0 rsyslogd [ 1932] 0 1932 4724 52 15 3 0 0 cron [ 1962] 0 1962 3734 44 10 3 0 0 mcstransd [ 1968] 0 1968 12926 1227 27 3 0 0 restorecond [ 1994] 0 1994 12489 153 29 3 0 -1000 sshd [ 2024] 0 2024 3648 39 13 3 0 0 getty [ 2037] 0 2037 3648 43 12 3 0 0 getty [ 2038] 0 2038 3648 42 13 3 0 0 getty [ 2039] 0 2039 3648 43 13 3 0 0 getty [ 2040] 0 2040 3648 42 13 3 0 0 getty [ 2041] 0 2041 3648 43 13 3 0 0 getty [ 2042] 0 2042 3648 42 13 3 0 0 getty [ 2043] 0 2043 17820 197 39 3 0 0 sshd [ 2045] 0 2045 4380 1 4 2 0 0 syz-executor613 [ 2046] 0 2046 4380 10 4 2 0 0 syz-executor613 [ 2047] 0 2047 4380 10 4 2 0 0 syz-executor613 [ 2049] 0 2049 4380 10 4 2 0 0 syz-executor613 [ 2050] 0 2050 4380 10 4 2 0 0 syz-executor613 [ 2051] 0 2051 4380 10 4 2 0 0 syz-executor613 [ 2052] 0 2052 4380 10 4 2 0 0 syz-executor613 [ 2054] 0 2054 4380 0 5 2 0 1000 syz-executor613 [ 2055] 0 2055 4380 10 5 2 0 1000 syz-executor613 [ 2056] 0 2056 4380 10 5 2 0 1000 syz-executor613 [ 2057] 0 2057 4380 10 5 2 0 1000 syz-executor613 [ 2059] 0 2059 4380 10 5 2 0 1000 syz-executor613 [ 2060] 0 2060 4380 10 5 2 0 1000 syz-executor613 Out of memory: Kill process 2055 (syz-executor613) score 999 or sacrifice child Killed process 2055 (syz-executor613) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor613: vmalloc: allocation failure, allocated 1625624576 of 4259258368 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2055 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff8801cf23f910 ffffffff81b67001 1ffff10039e47f24 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cf23fa38 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000043cb092c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3245 inactive_anon:41 isolated_anon:0 active_file:24 inactive_file:26 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4278 slab_unreclaimable:56113 mapped:28 shmem:48 pagetables:355 bounce:0 free:736 free_pcp:8 free_cma:0 Node 0 active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:12kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:76kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0 3505 3505Normal free:2932kB min:5580kB low:9168kB high:12756kB active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17112kB slab_unreclaimable:224376kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved oom_reaper: reaped process 2055 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor613 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2059 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff8801c1ef75a0 ffffffff81b67001 ffff8801c1ef78f8 ffffffff833f1c30 00000000000003e8 ffff8801c1ef7910 0000000000000000 ffff8801c1ef7620 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000004210c92>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000ef775830>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000004195cfbb>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000004195cfbb>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 0*2048kB 0*4096kB = 0kB [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3245 inactive_anon:41 isolated_anon:0 active_file:21 inactive_file:54 isolated_file:32 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4278 slab_unreclaimable:56113 mapped:78 shmem:48 pagetables:355 bounce:0 free:932 free_pcp:186 free_cma:0 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 44*32kB (U) ** 13 printk messages dropped ** [ 27.815716] (MH) ** 366 printk messages dropped ** [ 28.243329] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2063 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff88005063f910 ffffffff81b67001 1ffff1000a0c7f24 dffffc0000000000[ 28.243352] syz-executor613: vmalloc: allocation failure, allocated 925110272 of 4259258368 bytes ffffffff82aab480 , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000043cb092c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb CPU: 1 PID: 2061 Comm: syz-executor613 Not tainted 4.9.194+ #0 ffff88009c867910 ffffffff81b67001 1ffff1001390cf24 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff88009c867a38 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00Call Trace: [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000043cb092c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000ad044926>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000233240ed>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<00000000447bf994>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000c28cffb2>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3258 inactive_anon:41 isolated_anon:0 active_file:40 inactive_file:50 isolated_file:0 unevictable:0 dirty:16 writeback:3 unstable:0 slab_reclaimable:4291 slab_unreclaimable:56186 mapped:54 shmem:48 pagetables:362 bounce:0 free:3680 free_pcp:322 free_cma:0 Node 0 active_anon:13032kB inactive_anon:164kB active_file:160kB inactive_file:200kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:216kB dirty:64kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 3505 3505Normal free:15020kB min:5580kB low:9168kB high:12756kB active_anon:12972kB inactive_anon:164kB active_file:196kB inactive_file:200kB unevictable:0kB writepending:76kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17164kB slab_unreclaimable:224592kB kernel_stack:3392kB pagetables:1404kB bounce:0kB free_pcp:1368kB local_pcp:624kB free_cma:0kB 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 3505 3505Normal free:2968kB min:5580kB low:9168kB high:12756kB active_anon:13076kB inactive_anon:164kB active_file:0kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17180kB slab_unreclaimable:224708kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:812kB local_pcp:640kB free_cma:0kB 0 0 0DMA32: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 51*128kB (U) 13*256kB (U) 2*512kB (U) 0*1024kB 1*2048kB (U) 0*4096kB = 13020kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name dffffc0000000000** 7 printk messages dropped ** [ 29.464057] ffff88013329fa38lowmem_reserve[]: 0 ffffffff815080fc 0 0000000041b58ab3 0 ffffffff82e3bc80 ffffffff81431d00DMA32: Call Trace: 0*4kB [<00000000af721b7a>] __dump_stack lib/dump_stack.c:15 [inline] 0*4kB [<00000000af721b7a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 0*8kB [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 0*32kB [<0000000043cb092c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] 0*32kB [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 0*128kB [<00000000df860462>] __vmalloc_node mm/vmalloc.c:1755 [inline] 0*128kB [<00000000df860462>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] 0*128kB [<00000000df860462>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 0*512kB [<0000000024cf03e1>] xt_alloc_table_in